Internet Graphics

There are 3 types of image files that work in HTML.  These are JPEGs, PNGs and GIFs (according to the creator, pronounced 'jif").

JPEG	Joint Photographic Experts Group High compression Lossy No animation No transparancy Main Advantage - Mostly for photographs and realistic images Main Disadvantage - Lossy compression
PNG	Portable Network Graphic Supports transparancy No loss compression No animation Main Advantage - Mostly for straight lines, text heavy images and few colours Main Disadvantage - Large filesize
GIF	Graphics Interchange Format Supports transparency No loss compression Supports animation Main Advantage - For moving pictures Main Disadvantage - Only 8bit colour palette